Valorization of by-products in the ecological coal transformation
CA 2313882 A1 · Owner: Esi Ecosystem International Ltee · Inventors: Goraczko, Adalbert W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A coal transformation system comprises an ecological coal production unit for transforming raw coal into ecological coal. The production unit has an exhaust for carrying in a storage unit combustible gaseous, waste by-products generated during the transformation of raw coal. A control system is provided for allowing the combustible, gaseous waste, by-products to be withdrawn and subsequently used as an additional source of energy when the system energy demand reaches a predetermined value, thereby contributing to reduce the energy costs during peak power needs.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed July 12, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 12, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 12, 2022.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.